<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
	"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
	<title>Test DataGrid - setStore</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
	<style type="text/css">
		@import "../../../dijit/themes/tundra/tundra.css";
		@import "../../../dojo/resources/dojo.css";
		@import "../../../dijit/tests/css/dijitTests.css";
		@import "../resources/Grid.css";
		@import "../resources/tundraGrid.css";
		
		body {
			font-size: 0.9em;
			font-family: Geneva, Arial, Helvetica, sans-serif;
		}
		button {
			margin: 20px;
		}
		.heading {
			font-weight: bold;
			padding-bottom: 0.25em;
		}
		.grid {
			width: 65em;
			padding: 1px;
		}
	</style>
	<script type="text/javascript" src="../../../dojo/dojo.js" 
		data-dojo-config="isDebug:false, parseOnLoad: true"></script>
	<script type="text/javascript">
		dojo.require("dijit.dijit"); // optimize: load dijit layer
		dojo.require("dojox.grid.DataGrid");
		dojo.require("dojo.data.ItemFileWriteStore");
		dojo.require("dojo.parser");
		
		dojo.declare("dojox.grid.SlowFileWriteStore", dojo.data.ItemFileWriteStore, {
			_fetchItems: function(	/*Object*/ keywordArgs, 
									/*Function*/ findCallback, 
									/*Function*/ errorCallback){
				setTimeout(dojo.hitch(this, function(){
					dojo.data.ItemFileWriteStore.prototype._fetchItems.call(this, keywordArgs, findCallback, errorCallback);
				}), 10000);
			}
		});
		
		function createStore(type)
		{
			// Create a new datastore and use the Grid's setStore() function to change it.
			var newStore, args = {}, grid = dijit.byId("grid");
			if(type=="slow"){
				// Slow Loading store
				args.url = "../../../dijit/tests/_data/countries.json";
				newStore = new dojox.grid.SlowFileWriteStore(args);
				grid.setStore(newStore, { name: '*' });
			}else if(type=="empty"){
				// Empty result set -- set the Grid's query to something with no results
				args.url = "../../../dijit/tests/_data/countries.json";
				newStore = new dojo.data.ItemFileWriteStore(args);
				grid.setStore(newStore, { name: 'nonexist' });
			}else if(type=="error"){
				// Error result -- set the url to a file that doesn't exist
				args.url = "../../../dijit/tests/_data/countries-no.json";
				newStore = new dojo.data.ItemFileWriteStore(args);
				grid.setStore(newStore);
			}else{//type=="standard"
				args.url = "../../../dijit/tests/_data/countries.json";
				newStore = new dojo.data.ItemFileWriteStore(args);
				grid.setStore(newStore);
			}
		}
	</script>
	<script type="text/javascript" src="support/test_data.js"></script>
</head>
<body class="tundra">
	<h1>dojox.grid.DataGrid using setStore() to change datastores.</h1>
	<p>
		This page demonstrates the ability to change datastores using the
		DataGrid's setStore() function. Click on any of the buttons above
		the Grid to set a new store and refresh the Grid display.
	</p>
	<p>
		<button onclick="createStore('standard');">Standard Store</button>
		<button onclick="createStore('slow');">Slow Loading Store</button>
		<button onclick="createStore('empty');">Empty Store</button>
		<button onclick="createStore('error');">Error Store</button>
	</p>
	<span dojoType="dojo.data.ItemFileWriteStore" 
		data-dojo-id="jsonStore" url="../../../dijit/tests/_data/countries.json">
	</span>
	<div class="heading">Grid Test</div>
	<table dojoType="dojox.grid.DataGrid"
		data-dojo-id="grid" id="grid" class="grid" autoHeight="15" noDataMessage="Sorry, there is no data available."
		store="jsonStore" query="{ name: '*' }" rowsPerPage="20" rowSelector="20px">
		<thead>
			<tr>
				<th field="name" width="300px">Country/Continent Name</th>
				<th field="type" width="auto">Type</th>
			</tr>
		</thead>
	</table>
</body>
</html>
